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Rectangular black lithium-ion laptop battery with three cells and Dell branding

DELL

DELL 43Wh 11.1V Laptop Battery for Inspiron 15 5542 5543 5545 5547 5548 5557

SKU CH-ECAX-HZX59

A 43Wh 11.1V lithium-ion battery built for Dell Inspiron 15 models 5542, 5543, 5545, 5547, 5548 and 5557

  • CompatibilityCompatible with Dell Inspiron 15 5542 15 5543 15 5545 15 554
  • Battery TypeLithium-Ion
  • 43Wh capacity extends runtime on compatible Dell laptops
  • 1V lithium-ion chemistry delivers stable power output
  • Fits Inspiron 15 5542 5543 5545 5547 5548 5557 models
  • Three premium cells engineered for long-term reliability
  • CE and RoHS certified for safety and environmental compliance

DELL 43Wh 11.1V Lithium-Ion Replacement Battery

This new 43Wh lithium-ion battery replaces the original power pack in Dell Inspiron 15 models 5542, 5543, 5545, 5547, 5548 and 5557. It uses premium three-cell construction rated at 11.1 volts to restore mobile runtime for daily work and entertainment. The unit carries CE and RoHS certification and is backed by a one-year replacement warranty against material defects.

Thermals, Noise and Power Draw in Normal Use

Lithium-ion chemistry generates minimal heat during typical discharge, so the laptop’s existing cooling system handles thermal load without extra fan activity. The battery operates silently because it contains no moving parts. Power delivery remains steady at the rated 11.1 volts, supporting consistent performance across office tasks and media playback.

Bundled Accessories and Software Impact

No separate accessories, cables or software utilities are included with this battery. Installation is a direct mechanical swap that requires only the laptop’s built-in battery latch. The firmware handshake is handled automatically by the notebook, so the operating system recognises the new capacity immediately without driver updates or calibration tools.

Highlights

  • 43Wh capacity extends runtime on compatible Dell laptops
  • 1V lithium-ion chemistry delivers stable power output
  • Fits Inspiron 15 5542 5543 5545 5547 5548 5557 models
  • Three premium cells engineered for long-term reliability
  • CE and RoHS certified for safety and environmental compliance

Specifications

CompatibilityCompatible with Dell Inspiron 15 5542 15 5543 15 5545 15 5547 15 5548 15 5557
Battery TypeLithium-Ion

Questions about this item

How do I install the 3-cell 11.1V battery in my Inspiron 15 5547 and which step is often missed?

Power off, unplug the AC adapter, slide the release latch, remove the old pack, insert the new 43Wh unit until it clicks, then lock the latch before turning the laptop on.

What replacement will this lithium-ion 43Wh pack need after extended use?

The cells degrade over time; when runtime drops below useful levels you replace the entire 3-cell battery pack with a compatible 11.1V unit.

What limit appears first during continuous discharge of the 43Wh battery?

The 43 watt-hour capacity sets the runtime ceiling; sustained loads drain the pack until the laptop triggers low-voltage shutdown.

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